Home / 188,578.77-281,091.68-173,445.15

Finding the Fourth Proportional to 188,578.77, 281,091.68 and 173,445.15

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Solution

The fourth proportional to 188,578.77, 281,091.68 and 173,445.15 is: 258,533.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,578.77 : 281,091.68 = 173,445.15 : x
  2. Step 2: Convert to fraction form
    188,578.77/281,091.68 = 173,445.15/x
  3. Step 3: Cross multiply
    188,578.77x = 281,091.68 × 173,445.15
  4. Step 4: Simplify right side
    188,578.77x = 48,753,988,601.35
  5. Step 5: Solve for x
    x = 48,753,988,601.35/188,578.77
  6. Step 6: Final answer
    x = 258,533.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.